Linux

1. Tar commandCommon parameters and examples of TAR commands:Required Parameters :(3 parameters cannot coexist)-C: Creates a compressed file that represents create.-X: Unzip the file-T: View the files inside the package!Auxiliary Parameters :-Z:

I. Catalogue INTRODUCTION/boot storage kernel, file storage point required for system startup/bin stores all common commands that users can perform/dev Interface Device/etc about system settings and management filesHome directory for all ordinary

Use the man command1 CDCD/ ~ - # Last access directory2 lsls -al # show details, show hidden files ls -lrt # sorted by Time3 pwdpwd # view current working directory4 TouchTouch fileName.txt # Create file5 mkdirmkdir Temp # Create Directory6

1 SSH ServicesService sshd StatusService sshd Start/etc/init.d/sshd restart/etc/init.d/sshd Status 2 Viewing the operating system cat/proc/version              Cat/etc/*-releaseCat/etc/klinux-release3 Fetch RowsCharacter Intercept commandgrep:

Of course it's Monaco fonts.Here isInstallation method:Unzip the package with a command unzip monaco-font-masterSwitch to the Monaco-font-master directory, modify the script file permissionschmod 0777 ./install-font.shExecute script file

1 OK start rsyslogd service　　PS aux | grep rsyslogd See if the service is started　　chkconfig--list | grep rsyslog See if the service is self-booting2 The role of common logs log file description /var/log/cron

7.6 Yum replacing domestic sourcescd /etc/yum.repos.d/rm -r dvd.repowget http://mirrors.163.com/.help/CentOS7-Base-163.repo 或者curl -O http://mirrors.163.com/.help/CentOS7-Base-163.repoyum listcp -r /etc/yum.repos.d.bak/* /etc/yum.repos.d/7.7 Yum

Sub-volume SubvolumeCreate a volume on a file Btrfs file system that can be mounted separately, a sub-volume similar to a directoryThis is the existing file system.Create a sub-volume nowView existing sub-volumesThe-u option is to view the UUID of

8.10 Shell Special Symbol _cut command特殊符号 * 任意个任意字符 ？ 任意一个字符 # 注释字符 \ 脱义字符 | 管道符几个和管道有关的命令 cut 分割，-d 分隔符 -f 指定段号 -c 指定第几个字符 sort 排序， -n 以数字排序 -r 反序 -t 分隔符 -kn1/-kn1,n2 wc -l 统计行数 -m 统计字符数 -w 统计单词数

Reference: http://blog.csdn.net/lhf_tiger/article/details/7102753SystemHead-n 1/etc/issue Viewing the operating system versionHostname View computer NameLsmod List of loaded kernel modulesSwapon-s View all swap partitionsCrontab-l View the current

Daily one Linux command 2018-03-09Linux Command Chgrp/chownCHGRP [-parameters] [file or directory]chown [-parameters] [file owner]:[file belongs to group] [file or directory]　　The world is changing, it is normal, and today a colleague left, in the

Use of ISCSI Linux clientsUnder Linux, the appropriate iSCSI client software Iscsi-initiator needs to be installed, as follows:Step 0: Install the iSCSI client software that can be installed via Yum or via RPM.Step 1: Configure

/boot/: Startup file, all files related to system startup are saved here/boot/grub/:grub boot-related configuration files are here/dev/: All device files are saved in this directory, for example, partitions used:/dev/hda,/dev/cdrom, and so on./proc/:

11.32 PHP Expansion Module installation This section learns how to install the PHP extension, as an example of installing a Redis module. 1. We can check if PHP has a redis module /usr/local/php7/bin/php-m |grep redis #查看php加载的模块

Awk is also a streaming editor, which is more powerful than SED1. Intercepting a paragraph in a documentawk -F ‘:‘ ‘{print $1}‘ /etc/passwd |head -2-f Specifies the delimiter, without specifying a space or tabPrint Action for printing$ $ for the

Linux (CentOS) network configuration, linuxcentos A few simple commands today1. network interface parameter -- ifconfig This command can be used to set the NIC interface IP address, subnet mask, etc,Ifconfig xx (NIC name) down disable Nic

Centos7 installation and configuration of tomcat8.5.28, After jdk is installed and configured in the previous article, this article records the installation and configuration of tomcat. 1. Download tomcat-8.5.28: Official Address 2. Upload the

Linux (CentOS)-software package management rpm, yum, and Linux personnel task plans, centosyum Today, I simply typed a few pieces of code to introduce the commands I once again read and understand:RPM full name Red Package Manager, used on the Red

Linux (CentOS)-performance monitoring, linuxcentos This article mainly describes how to monitor the performance of Linux (CentOS.1. Monitor cpu usage-uptimeThis command will print the current time when the system is running and the average system

Linux running level, linux level Linux running level, in short, is the current operating system function level.   Introduction to various operation levels Linux has seven running levels: 0: stopped. The default running level cannot be set to 0.